Patent · US Active

Article comprising a protective top layer based on mixed oxide of zirconium and aluminum

US11254608B2 · kind B2 · utility

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21Claims
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Key dates

Filing dateFeb 23, 2017
Grant dateFeb 22, 2022
Priority date
Expiry dateJun 14, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C2218/32
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An article includes a substrate that is transparent, the substrate being covered on at least one of its faces, totally or partly, with a protective layer based on zirconium and aluminum mixed oxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.